Maximum design heat input means the ability of a unit to combust a stated maximum amount of fuel per hour on a steady state basis, as determined by the physical design and physical characteristics of the unit.
Sign height means the vertical distance from the ground directly below the sign measured to the highest extremity of the sign, including the sign structure;
Sign face means the surface of a sign including the border or frame together with any material forming an integral part of the background used to differentiate the sign from the backdrop or building on which it is erected. Where a sign is composed of individually installed letters, numerals or shapes, the sign face shall mean the area of the smallest polygon containing a maximum of eight (8) right angle sides that enclose all of the letters, numerals or shapes; (0438-2003, 0203-2017)
Maximum mass means the maximum mass stated by the vehicle manufacturer to be technically permissible (this mass may be higher than the "permissible maximum mass" laid down by the national administration).
Normal Maximum Generation means the highest output level of a generating resource under normal operating conditions.